<?php

if (! defined ( 'BASEPATH' ))
	exit ( 'No direct script access allowed' );
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package		CodeIgniter
 * @author		ExpressionEngine Dev Team
 * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------


/**
 * CodeIgniter Inflector Helpers
 *
 * @package		CodeIgniter
 * @subpackage	Helpers
 * @category	Helpers
 * @author		ExpressionEngine Dev Team
 * @link		http://codeigniter.com/user_guide/helpers/directory_helper.html
 */

// --------------------------------------------------------------------


/**
 * Singular
 *
 * Takes a plural word and makes it singular
 *
 * @access	public
 * @param	string
 * @return	str
 */
if (! function_exists ( 'singular' )) {
	function singular($str) {
		$result = strval ( $str );
		
		$singular_rules = array ('/(matr)ices$/' => '\1ix', '/(vert|ind)ices$/' => '\1ex', '/^(ox)en/' => '\1', '/(alias)es$/' => '\1', '/([octop|vir])i$/' => '\1us', '/(cris|ax|test)es$/' => '\1is', '/(shoe)s$/' => '\1', '/(o)es$/' => '\1', '/(bus|campus)es$/' => '\1', '/([m|l])ice$/' => '\1ouse', '/(x|ch|ss|sh)es$/' => '\1', '/(m)ovies$/' => '\1\2ovie', '/(s)eries$/' => '\1\2eries', '/([^aeiouy]|qu)ies$/' => '\1y', '/([lr])ves$/' => '\1f', '/(tive)s$/' => '\1', '/(hive)s$/' => '\1', '/([^f])ves$/' => '\1fe', '/(^analy)ses$/' => '\1sis', '/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/' => '\1\2sis', '/([ti])a$/' => '\1um', '/(p)eople$/' => '\1\2erson', '/(m)en$/' => '\1an', '/(s)tatuses$/' => '\1\2tatus', '/(c)hildren$/' => '\1\2hild', '/(n)ews$/' => '\1\2ews', '/([^u])s$/' => '\1' );
		
		foreach ( $singular_rules as $rule => $replacement ) {
			if (preg_match ( $rule, $result )) {
				$result = preg_replace ( $rule, $replacement, $result );
				break;
			}
		}
		
		return $result;
	}
}

// --------------------------------------------------------------------


/**
 * Plural
 *
 * Takes a singular word and makes it plural
 *
 * @access	public
 * @param	string
 * @param	bool
 * @return	str
 */
if (! function_exists ( 'plural' )) {
	function plural($str, $force = FALSE) {
		$result = strval ( $str );
		
		$plural_rules = array ('/^(ox)$/' => '\1\2en', // ox
'/([m|l])ouse$/' => '\1ice', // mouse, louse
'/(matr|vert|ind)ix|ex$/' => '\1ices', // matrix, vertex, index
'/(x|ch|ss|sh)$/' => '\1es', // search, switch, fix, box, process, address
'/([^aeiouy]|qu)y$/' => '\1ies', // query, ability, agency
'/(hive)$/' => '\1s', // archive, hive
'/(?:([^f])fe|([lr])f)$/' => '\1\2ves', // half, safe, wife
'/sis$/' => 'ses', // basis, diagnosis
'/([ti])um$/' => '\1a', // datum, medium
'/(p)erson$/' => '\1eople', // person, salesperson
'/(m)an$/' => '\1en', // man, woman, spokesman
'/(c)hild$/' => '\1hildren', // child
'/(buffal|tomat)o$/' => '\1\2oes', // buffalo, tomato
'/(bu|campu)s$/' => '\1\2ses', // bus, campus
'/(alias|status|virus)/' => '\1es', // alias
'/(octop)us$/' => '\1i', // octopus
'/(ax|cris|test)is$/' => '\1es', // axis, crisis
'/s$/' => 's', // no change (compatibility)
'/$/' => 's' );
		
		foreach ( $plural_rules as $rule => $replacement ) {
			if (preg_match ( $rule, $result )) {
				$result = preg_replace ( $rule, $replacement, $result );
				break;
			}
		}
		
		return $result;
	}
}

// --------------------------------------------------------------------


/**
 * Camelize
 *
 * Takes multiple words separated by spaces or underscores and camelizes them
 *
 * @access	public
 * @param	string
 * @return	str
 */
if (! function_exists ( 'camelize' )) {
	function camelize($str) {
		$str = 'x' . strtolower ( trim ( $str ) );
		$str = ucwords ( preg_replace ( '/[\s_]+/', ' ', $str ) );
		return substr ( str_replace ( ' ', '', $str ), 1 );
	}
}

// --------------------------------------------------------------------


/**
 * Underscore
 *
 * Takes multiple words separated by spaces and underscores them
 *
 * @access	public
 * @param	string
 * @return	str
 */
if (! function_exists ( 'underscore' )) {
	function underscore($str) {
		return preg_replace ( '/[\s]+/', '_', strtolower ( trim ( $str ) ) );
	}
}

// --------------------------------------------------------------------


/**
 * Humanize
 *
 * Takes multiple words separated by underscores and changes them to spaces
 *
 * @access	public
 * @param	string
 * @return	str
 */
if (! function_exists ( 'humanize' )) {
	function humanize($str) {
		return ucwords ( preg_replace ( '/[_]+/', ' ', strtolower ( trim ( $str ) ) ) );
	}
}


/* End of file inflector_helper.php */
/* Location: ./system/helpers/inflector_helper.php */